Home / 104,060.20-156,090.30-51,506.60

Finding the Fourth Proportional to 104,060.20, 156,090.30 and 51,506.60

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Solution

The fourth proportional to 104,060.20, 156,090.30 and 51,506.60 is: 77,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.20 : 156,090.30 = 51,506.60 : x
  2. Step 2: Convert to fraction form
    104,060.20/156,090.30 = 51,506.60/x
  3. Step 3: Cross multiply
    104,060.20x = 156,090.30 × 51,506.60
  4. Step 4: Simplify right side
    104,060.20x = 8,039,680,645.98
  5. Step 5: Solve for x
    x = 8,039,680,645.98/104,060.20
  6. Step 6: Final answer
    x = 77,259.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.